Fig. 15: Dual Amp example for K-LCx sensors. Channel Q circuit is equivalent to channel I.

RFbeam Microwave GmbH

RSP1 Radar Processor

Preliminary Datasheet

14.1.4 Dual Amp, 2 Channels

Example for speed ranges from 0.1km/h up to 250km/h. This configuration results in better S/N ratio and higher bandwidth than Single Amp solution

Bandwidth

Speed range

C6, C7 C1, C2

Op-Amp

Amp Gain

Typical Application

5Hz … 500Hz

3cm/s 3m/s

2.2uF

15nF

LMV774

72dB (A = 15'800 ) Person detection

400Hz … 12kHz 0.9 .. 270 km/h

33nF

10pF

LMP7716

72dB (A = 15'800) Car speed or detection

For Q channel, same component values apply

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